Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1965)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1967)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1950)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1885)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1944)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1949)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1954)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1976)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1911)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1912)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1968)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1962)

Proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Canadian Institute, 1883)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1882)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1905)

Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1861)

Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1863)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1955)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1987)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2006)

Proceedings of the Florida Academy of Sciences - Florida Academy of Sciences. (Rose Printing Co., etc, 1939)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1893)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1897)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1901)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1900)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1905)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1904)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1910)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1908)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1912)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1916)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1920)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1895)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1901)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1918)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1919)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1912)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1913)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1914)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1915)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1916)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1917)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1919)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1920)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1934)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1936)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1937)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1938)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1942)

Proceedings of the Manchester Institute of Arts and Sciences - Manchester Institute of Arts; Sciences. (The Institute, 1900)

Proceedings of the Manchester Literary and Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1879)

Proceedings of the Natural History Association of Miramichi - Natural History Association of Miramichi. (The Association, 1899)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1856)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1880)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1851)

Proceedings of the Natural Science Association of Staten Island - Natural Science Association of Staten Island. (The Association, 1905)

Proceedings of the Natural Science Association of Staten Island - Natural Science Association of Staten Island. (The Association, 1903)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1938)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1944)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1963)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1969)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1987)

Proceedings of the Philosophical Society of Glasgow - Philosophical Society of Glasgow.

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1889)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1894)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1910)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1901)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1902)

Proceedings of the semi-centennial anniversary of the Torrey botanical club, October 18, 19 and 20, 1917 - Torrey Botanical Club. (1918)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1906)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1907)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1909)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1910)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1912)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1885)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1901)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1912)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)